At least three deaths are being linked to a potentially lethal batch of an ecstasy with a Superman logo(Suffolk Police)

Ipswich teenager Adrian Lubecki has admitted supplying a deadly batch of "Superman ecstasy" that is thought to have killed three Suffolk men.

Lubecki, 19, pleaded guilty to to one count of supplying PMMA, a similar substance to ecstasy that takes longer to kick in, and one of possessing amphetamines with intent to supply at Ipswich Crown Court.